| South Lyon to Popovo | 5,091.03 mi (8,193.22 km) |
| South Lyon to Provadia | 5,142.43 mi (8,275.94 km) |
| South Lyon to Radnevo | 5,130.21 mi (8,256.27 km) |
| South Lyon to Radomir | 5,007.08 mi (8,058.12 km) |
| South Lyon to Rakitovo | 5,076.25 mi (8,169.44 km) |
| South Lyon to Rakovski | 5,094.89 mi (8,199.43 km) |
| South Lyon to Razgrad | 5,092.54 mi (8,195.65 km) |
| South Lyon to Razlog | 5,057.66 mi (8,139.51 km) |
| South Lyon to Ruse | 5,058.37 mi (8,140.66 km) |
| South Lyon to Samokov | 5,039.81 mi (8,110.79 km) |
| South Lyon to Sandanski | 5,065.38 mi (8,151.94 km) |
| South Lyon to Sevlievo | 5,065.48 mi (8,152.10 km) |
| South Lyon to Shumen | 5,119.58 mi (8,239.17 km) |
| South Lyon to Silistra | 5,091.22 mi (8,193.53 km) |
| South Lyon to Sliven | 5,126.56 mi (8,250.41 km) |
